Belt Set 78-1341 78-603 78-629 for Thermo King SB – Ready to Ship

Ready to Ship — Guangzhou warehouse holds this Thermo King compatible belt set for dispatch within days, not weeks.

Technical Specifications

Application Suitability

When the Cold Chain Cannot Wait for a Belt Set Replacement in Stock Fast Shipping

A broken belt stops the compressor, and the cargo begins to warm within minutes.

Waiting days for a supplier to confirm whether a part number is even correct is not an option when perishable goods are on the line. Fleet managers often discover that a minimum order quantity blocks a single emergency purchase, or that a freight quote arrives only after the belt set is already packed. I have watched entire loads of pharmaceuticals or frozen protein sit on a yard because a three-piece belt set was back-ordered. [NEED_CITE: cold chain logistics equipment uptime requirements]

Availability and Identification Before You Commit

This belt set is stocked in our Guangzhou warehouse, so confirmation of availability does not require a factory lead-time check. When the unit nameplate is painted over or worn away, we identify the correct set from a photograph of the existing belts or from the unit model number alone. The Belt Set replacement in stock fast shipping promise means you receive a confirmed ship date before you pay, not after.

Dispatch, Transit, and the Hours That Matter

A typical express shipment from Guangzhou reaches North American or European workshops within a few working days, while air freight serves regional hubs on a similar timeline. [NEED_CITE: international air cargo transit standards for urgent spare parts] We quote the arrival window at the time of inquiry based on your destination and the freight method you select. The packaging is built for courier handling, so the belts arrive in the same condition they left the shelf.

What the Three-Belt Configuration Actually Covers

The set contains one alternator belt, one fan belt, and one engine or idler belt, matching the drive layout of the SB series compressor and engine fan assembly. These three belts share tension paths and wear at similar rates. Replacing them as a matched set avoids a situation where a new fan belt places higher load on a worn alternator belt, accelerating its failure. The ISO 9001 production standard governs the dimensional tolerances across all three belts in the package.

The Cost of Guessing the Wrong Belt Set

Ordering a belt set that arrives and does not fit means another round of downtime while the correct part is sourced and shipped. Cross-reference tables copied between sellers sometimes carry errors forward, so a number that looks right may belong to a different variant within the same SB family. [NEED_CITE: aftermarket parts cross-reference accuracy in transport refrigeration] A single misidentified belt can delay a trailer return to service for several days, especially if the cargo is already past its safe temperature window.

Why Source This Belt Set From XUNPO

Our Guangzhou warehouse stocks this belt set for immediate allocation once compatibility is verified. Orders start at one set, so a single emergency repair does not force you into bulk purchasing. We confirm fitment from unit model, existing part numbers, or a photograph of the old belts, often within hours of your inquiry. Both our own production lines and qualified sourced supply carry identical warranty terms, giving you one account and one point of contact for the entire job. Technical support is available to verify grade and compatibility before you commit.

Documentation & Verification

• Commercial invoice and packing list listing all three belt part numbers
• Cross-reference sheet mapping your existing numbers to this set for identification only
• Quality inspection record confirming belt dimensions and tooth profile before dispatch
• Warranty terms covering manufacturing defects for three to twelve months
• Packing photographs showing belt condition before the carton is sealed
• HS code provided for customs clearance support in your destination country

Stock, Shipping & Arrival

• Current warehouse stock confirmed at inquiry, not after order placement
• Express courier delivers to most North American and European cities within days
• Air freight available for regional distribution hubs on a comparable timeline
• Single-set carton sized for standard courier networks without repackaging
• Tracking number and estimated delivery date issued at dispatch

Confirming the Right Set Before You Order

Send us the unit model number from the SB series, a photograph of the existing belt set, or any visible part numbers from the worn belts. We will cross-check against the alternator, fan, and idler positions and confirm which set fits your specific build. For fleet operators, including the unit serial number allows us to verify variant differences across production runs. No commitment is required until you have seen the compatibility confirmation.

Frequently Asked Questions

Q: Is this belt set in stock and how fast can it ship? A: Yes, we hold this three-piece belt set in our Guangzhou warehouse. Once compatibility is confirmed and the order is placed, dispatch typically occurs within two to five working days depending on the freight method selected.

Q: Can I order just one set for an emergency repair? A: Absolutely. The minimum order quantity is one set. We understand that a single trailer down on the road needs one belt set, not a bulk commitment, and our pricing structure supports single-piece emergency purchases.

Q: My unit nameplate is worn — how do I confirm the right part number? A: Send a clear photograph of the old belts, especially any visible markings or tooth profiles. We can also identify the correct set from your unit model number or from the compressor serial number in most SB series configurations.

Q: How long does delivery take to North America or Europe? A: Express courier shipments typically arrive within several working days from dispatch. Air freight to regional hubs follows a similar timeline. We quote the expected arrival window based on your specific destination when you inquire.

Q: What happens if the belt set arrives and does not fit? A: If our compatibility confirmation was incorrect, we arrange a replacement or return. This is why we verify fitment through multiple data points before shipping, including unit model, cross-reference numbers, and photographs when available.